Merge pull request #5 from AoteChou/master

add DAL classes and some modifications
Merge pull request #6 from AoteChou/master

PCJL  and index modification
finish login
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Merge github.com:JessenPan/ZYNLPJXT

Conflicts:
	Web.config
1.add few pages and their relative BLL classes

2.fix a little bug of some DAL classes
3.modify STZSDView